--- a/rst.css	Fri Mar 27 02:48:39 2015 +0200
+++ b/rst.css	Sun Mar 29 01:01:27 2015 +0200
@@ -7,13 +7,14 @@
 p { text-indent: 2em; }
 p:first-letter { font-weight: bold; }
 .formula, .literal-block {
+    display: inline-block;
+    overflow: auto;
+    box-sizing: border-box;
+    max-width: calc(100% - 4em);
     margin: 0 0 0 4em;
     padding: 5px;
-    border: 1px;
-    border-style: solid;
-    border-color: brown;
-    background-color: LightYellow;
-    overflow: auto;
+    border: 1px solid brown;
+    background: LightYellow;
 }
 table {
     border-collapse:collapse;